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DroidFish: Moved code in ChessBoard.java that is not used by ChessBoardEdit.java to new class ChessBoardPlay.

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This commit is contained in:
Peter Osterlund 2012-09-10 21:46:24 +00:00
parent 9810c3d054
commit 1767f8c947
6 changed files with 211 additions and 139 deletions
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2
DroidFish/res/layout-land/main.xml
View File

@ -5,7 +5,7 @@
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<view
class="org.petero.droidfish.ChessBoard"
class="org.petero.droidfish.ChessBoardPlay"
android:id="@+id/chessboard"
android:layout_width="fill_parent"
android:layout_height="fill_parent"/>

2
DroidFish/res/layout/main.xml
View File

@ -4,7 +4,7 @@
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<view
class="org.petero.droidfish.ChessBoard"
class="org.petero.droidfish.ChessBoardPlay"
android:id="@+id/chessboard"
android:layout_width="fill_parent"
android:layout_height="fill_parent"/>

2
DroidFish/res/layout/main_left_handed.xml
View File

@ -92,7 +92,7 @@
</RelativeLayout>
</LinearLayout>
<view
class="org.petero.droidfish.ChessBoard"
class="org.petero.droidfish.ChessBoardPlay"
android:id="@+id/chessboard"
android:layout_weight="0"
android:layout_width="fill_parent"

149
DroidFish/src/org/petero/droidfish/ChessBoard.java
View File

@ -23,11 +23,8 @@ import java.util.Collections;
import java.util.List;
import org.petero.droidfish.gamelogic.Move;
import org.petero.droidfish.gamelogic.MoveGen;
import org.petero.droidfish.gamelogic.Pair;
import org.petero.droidfish.gamelogic.Piece;
import org.petero.droidfish.gamelogic.Position;
import org.petero.droidfish.gamelogic.TextIO;
import org.petero.droidfish.gamelogic.UndoInfo;
import android.content.Context;
@ -41,10 +38,8 @@ import android.os.Handler;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.widget.Toast;
public class ChessBoard extends View {
private PGNOptions pgnOptions = null;
public abstract class ChessBoard extends View {
public Position pos;
public int selectedSquare;
@ -56,7 +51,6 @@ public class ChessBoard extends View {
int pieceXDelta, pieceYDelta; // top/left pixel draw position relative to square
public boolean flipped;
public boolean drawSquareLabels;
boolean oneTouchMoves;
boolean toggleSelection;
List<Move> moveHints;
@ -91,10 +85,6 @@ public class ChessBoard extends View {
private Paint decorationPaint;
private ArrayList<Paint> moveMarkPaint;
public void setPgnOptions(PGNOptions pgnOptions) {
this.pgnOptions = pgnOptions;
}
public ChessBoard(Context context, AttributeSet attrs) {
super(context, attrs);
pos = new Position();
@ -106,7 +96,6 @@ public class ChessBoard extends View {
pieceXDelta = pieceYDelta = -1;
flipped = false;
drawSquareLabels = false;
oneTouchMoves = false;
toggleSelection = false;
darkPaint = new Paint();
@ -360,12 +349,11 @@ public class ChessBoard extends View {
userSelectedSquare = true;
}
protected int getWidth(int sqSize) { return sqSize * 8; }
protected int getHeight(int sqSize) { return sqSize * 8; }
protected int getSqSizeW(int width) { return (width) / 8; }
protected int getSqSizeH(int height) { return (height) / 8; }
protected int getMaxHeightPercentage() { return 75; }
protected abstract int getWidth(int sqSize);
protected abstract int getHeight(int sqSize);
protected abstract int getSqSizeW(int width);
protected abstract int getSqSizeH(int height);
protected abstract int getMaxHeightPercentage();
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
@ -386,13 +374,9 @@ public class ChessBoard extends View {
setMeasuredDimension(width, height);
}
protected void computeOrigin(int width, int height) {
x0 = (width - sqSize * 8) / 2;
y0 = (height - sqSize * 8) / 2;
}
protected int getXFromSq(int sq) { return Position.getX(sq); }
protected int getYFromSq(int sq) { return Position.getY(sq); }
protected abstract void computeOrigin(int width, int height);
protected abstract int getXFromSq(int sq);
protected abstract int getYFromSq(int sq);
@Override
protected void onDraw(Canvas canvas) {
@ -573,10 +557,10 @@ public class ChessBoard extends View {
canvas.drawText(s, xCrd, yCrd, labelPaint);
}
protected int getXCrd(int x) { return x0 + sqSize * (flipped ? 7 - x : x); }
protected int getYCrd(int y) { return y0 + sqSize * (flipped ? y : 7 - y); }
protected int getXSq(int xCrd) { int t = (xCrd - x0) / sqSize; return flipped ? 7 - t : t; }
protected int getYSq(int yCrd) { int t = (yCrd - y0) / sqSize; return flipped ? t : 7 - t; }
protected abstract int getXCrd(int x);
protected abstract int getYCrd(int y);
protected abstract int getXSq(int xCrd);
protected abstract int getYSq(int yCrd);
/**
* Compute the square corresponding to the coordinates of a mouse event.
@ -598,108 +582,7 @@ public class ChessBoard extends View {
return sq;
}
private final boolean myColor(int piece) {
return (piece != Piece.EMPTY) && (Piece.isWhite(piece) == pos.whiteMove);
}
public Move mousePressed(int sq) {
if (sq < 0)
return null;
cursorVisible = false;
if ((selectedSquare != -1) && !userSelectedSquare)
setSelection(-1); // Remove selection of opponents last moving piece
if (!oneTouchMoves) {
int p = pos.getPiece(sq);
if (selectedSquare != -1) {
if (sq == selectedSquare) {
if (toggleSelection)
setSelection(-1);
return null;
}
if (!myColor(p)) {
Move m = new Move(selectedSquare, sq, Piece.EMPTY);
setSelection(sq);
userSelectedSquare = false;
return m;
} else
setSelection(sq);
} else {
if (myColor(p))
setSelection(sq);
}
} else {
int prevSq = userSelectedSquare ? selectedSquare : -1;
if (prevSq == sq) {
if (toggleSelection)
setSelection(-1);
return null;
}
ArrayList<Move> moves = new MoveGen().legalMoves(pos);
Move matchingMove = null;
if (prevSq >= 0)
matchingMove = matchingMove(prevSq, sq, moves).first;
boolean anyMatch = false;
if (matchingMove == null) {
Pair<Move, Boolean> match = matchingMove(-1, sq, moves);
matchingMove = match.first;
anyMatch = match.second;
}
if (matchingMove != null) {
setSelection(matchingMove.to);
userSelectedSquare = false;
return matchingMove;
}
if (!anyMatch && (sq >= 0)) {
int p = pos.getPiece(sq);
if (myColor(p)) {
String msg = getContext().getString(R.string.piece_can_not_be_moved);
boolean localized = (pgnOptions != null) &&
(pgnOptions.view.pieceType != PGNOptions.PT_ENGLISH);
msg += ": " + TextIO.pieceAndSquareToString(localized, p, sq);
Toast.makeText(getContext(), msg, Toast.LENGTH_SHORT).show();
}
}
setSelection(anyMatch ? sq : -1);
}
return null;
}
/**
* Determine if there is a unique legal move corresponding to one or two selected squares.
* @param sq1 First square, or -1.
* @param sq2 Second square.
* @param moves List of legal moves.
* @return Matching move if unique.
* Boolean indicating if there was at least one match.
*/
private final Pair<Move, Boolean> matchingMove(int sq1, int sq2, ArrayList<Move> moves) {
Move matchingMove = null;
boolean anyMatch = false;
for (Move m : moves) {
boolean match;
if (sq1 == -1)
match = (m.from == sq2) || (m.to == sq2);
else
match = (m.from == sq1) && (m.to == sq2) ||
(m.from == sq2) && (m.to == sq1);
if (match) {
if (matchingMove == null) {
matchingMove = m;
anyMatch = true;
} else {
if ((matchingMove.from == m.from) &&
(matchingMove.to == m.to)) {
matchingMove.promoteTo = Piece.EMPTY;
} else {
matchingMove = null;
break;
}
}
}
}
return new Pair<Move, Boolean>(matchingMove, anyMatch);
}
protected abstract Move mousePressed(int sq);
public static class OnTrackballListener {
public void onTrackballEvent(MotionEvent event) { }
@ -717,8 +600,8 @@ public class ChessBoard extends View {
return false;
}
protected int minValidY() { return 0; }
protected int getSquare(int x, int y) { return Position.getSquare(x, y); }
protected abstract int minValidY();
protected abstract int getSquare(int x, int y);
public final Move handleTrackballEvent(MotionEvent event) {
switch (event.getAction()) {

189
DroidFish/src/org/petero/droidfish/ChessBoardPlay.java Normal file
View File

@ -0,0 +1,189 @@
/*
DroidFish - An Android chess program.
Copyright (C) 2012 Peter Österlund, peterosterlund2@gmail.com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.petero.droidfish;
import java.util.ArrayList;
import org.petero.droidfish.gamelogic.Move;
import org.petero.droidfish.gamelogic.MoveGen;
import org.petero.droidfish.gamelogic.Pair;
import org.petero.droidfish.gamelogic.Piece;
import org.petero.droidfish.gamelogic.Position;
import org.petero.droidfish.gamelogic.TextIO;
import android.content.Context;
import android.util.AttributeSet;
import android.widget.Toast;
/**
* Chess board widget suitable for play mode.
* @author petero
*/
public class ChessBoardPlay extends ChessBoard {
private PGNOptions pgnOptions = null;
boolean oneTouchMoves;
public ChessBoardPlay(Context context, AttributeSet attrs) {
super(context, attrs);
oneTouchMoves = false;
}
public void setPgnOptions(PGNOptions pgnOptions) {
this.pgnOptions = pgnOptions;
}
@Override
protected int getXCrd(int x) { return x0 + sqSize * (flipped ? 7 - x : x); }
@Override
protected int getYCrd(int y) { return y0 + sqSize * (flipped ? y : 7 - y); }
@Override
protected int getXSq(int xCrd) { int t = (xCrd - x0) / sqSize; return flipped ? 7 - t : t; }
@Override
protected int getYSq(int yCrd) { int t = (yCrd - y0) / sqSize; return flipped ? t : 7 - t; }
@Override
protected int getWidth(int sqSize) { return sqSize * 8; }
@Override
protected int getHeight(int sqSize) { return sqSize * 8; }
@Override
protected int getSqSizeW(int width) { return (width) / 8; }
@Override
protected int getSqSizeH(int height) { return (height) / 8; }
@Override
protected int getMaxHeightPercentage() { return 75; }
@Override
protected void computeOrigin(int width, int height) {
x0 = (width - sqSize * 8) / 2;
y0 = (height - sqSize * 8) / 2;
}
@Override
protected int getXFromSq(int sq) { return Position.getX(sq); }
@Override
protected int getYFromSq(int sq) { return Position.getY(sq); }
@Override
protected int minValidY() { return 0; }
@Override
protected int getSquare(int x, int y) { return Position.getSquare(x, y); }
private final boolean myColor(int piece) {
return (piece != Piece.EMPTY) && (Piece.isWhite(piece) == pos.whiteMove);
}
public Move mousePressed(int sq) {
if (sq < 0)
return null;
cursorVisible = false;
if ((selectedSquare != -1) && !userSelectedSquare)
setSelection(-1); // Remove selection of opponents last moving piece
if (!oneTouchMoves) {
int p = pos.getPiece(sq);
if (selectedSquare != -1) {
if (sq == selectedSquare) {
if (toggleSelection)
setSelection(-1);
return null;
}
if (!myColor(p)) {
Move m = new Move(selectedSquare, sq, Piece.EMPTY);
setSelection(sq);
userSelectedSquare = false;
return m;
} else
setSelection(sq);
} else {
if (myColor(p))
setSelection(sq);
}
} else {
int prevSq = userSelectedSquare ? selectedSquare : -1;
if (prevSq == sq) {
if (toggleSelection)
setSelection(-1);
return null;
}
ArrayList<Move> moves = new MoveGen().legalMoves(pos);
Move matchingMove = null;
if (prevSq >= 0)
matchingMove = matchingMove(prevSq, sq, moves).first;
boolean anyMatch = false;
if (matchingMove == null) {
Pair<Move, Boolean> match = matchingMove(-1, sq, moves);
matchingMove = match.first;
anyMatch = match.second;
}
if (matchingMove != null) {
setSelection(matchingMove.to);
userSelectedSquare = false;
return matchingMove;
}
if (!anyMatch && (sq >= 0)) {
int p = pos.getPiece(sq);
if (myColor(p)) {
String msg = getContext().getString(R.string.piece_can_not_be_moved);
boolean localized = (pgnOptions != null) &&
(pgnOptions.view.pieceType != PGNOptions.PT_ENGLISH);
msg += ": " + TextIO.pieceAndSquareToString(localized, p, sq);
Toast.makeText(getContext(), msg, Toast.LENGTH_SHORT).show();
}
}
setSelection(anyMatch ? sq : -1);
}
return null;
}
/**
* Determine if there is a unique legal move corresponding to one or two selected squares.
* @param sq1 First square, or -1.
* @param sq2 Second square.
* @param moves List of legal moves.
* @return Matching move if unique.
* Boolean indicating if there was at least one match.
*/
private final Pair<Move, Boolean> matchingMove(int sq1, int sq2, ArrayList<Move> moves) {
Move matchingMove = null;
boolean anyMatch = false;
for (Move m : moves) {
boolean match;
if (sq1 == -1)
match = (m.from == sq2) || (m.to == sq2);
else
match = (m.from == sq1) && (m.to == sq2) ||
(m.from == sq2) && (m.to == sq1);
if (match) {
if (matchingMove == null) {
matchingMove = m;
anyMatch = true;
} else {
if ((matchingMove.from == m.from) &&
(matchingMove.to == m.to)) {
matchingMove.promoteTo = Piece.EMPTY;
} else {
matchingMove = null;
break;
}
}
}
}
return new Pair<Move, Boolean>(matchingMove, anyMatch);
}
}

6
DroidFish/src/org/petero/droidfish/DroidFish.java
View File

@ -154,7 +154,7 @@ public class DroidFish extends Activity implements GUIInterface {
// FIXME!!! Selection dialog for going into variation
// FIXME!!! Use two engines in engine/engine games
private ChessBoard cb;
private ChessBoardPlay cb;
private static DroidChessController ctrl = null;
private boolean mShowThinking;
private boolean mShowStats;
@ -479,7 +479,7 @@ public class DroidFish extends Activity implements GUIInterface {
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
ChessBoard oldCB = cb;
ChessBoardPlay oldCB = cb;
String statusStr = status.getText().toString();
initUI(false);
readPrefs();
@ -522,7 +522,7 @@ public class DroidFish extends Activity implements GUIInterface {
moveList.setMovementMethod(LinkMovementMethod.getInstance());
thinking.setFocusable(false);
cb = (ChessBoard)findViewById(R.id.chessboard);
cb = (ChessBoardPlay)findViewById(R.id.chessboard);
cb.setFocusable(true);
cb.requestFocus();
cb.setClickable(true);